Rose and her husband Bernard were last seen earlier this series during the flaming arrow attack.
Claire's last appearance was at the end of series 4 in Jacob's cabin when her father Christian told Locke that he had to move the island.

Christian was the representation of the island which had been stopping Michael killing himself until he had done 'his work'. By saying "you can go now" He has done his work, keeping the battery below zero until the helicopter can lift off, and can now die.